Homelite UT74121A manuel d'utilisation

OPERA T OR’S MANUAL 356 mm (30 f t.) 33cc Chainsaw CSP3314 Model No. UT74121A Y our ne w chainsaw has been engineered and manuf actured to Homelite’s high standard f or dependability , ease of operation and operator saf ety . Properly cared fo r , it will give y ou years of rugged, trouble-free perf ormance. W ARNING: T o reduce the risk of inj[...]

UK - Page 2 Look for this symbol to point out import ant safety precautions. It means attention!!! Y our safety is involved. W ARNING: Carefully read through this entire operator’s manual before using your new saw. Pay close attention to the Safety Rules and all Safety Alert Symbols including Danger, Warning and Caution. These safety rules are fo[...]

UK - Page 3 W ARNING: The warnings, labels and instructions found in this section of the operator’s manual are for your safety. Failure to follow all instructions may result in serious personal injury. Safe operation of this tool requires that you read and understand this operator’s manual and all labels affixed to the tool. Safety is a combina[...]

UK - Page 4 GENERAL SAFETY RULES  KEEP ALL P ARTS OF YOUR BODY a wa y from the sa w chain when the engine is running.      AL W A YS CARR Y THE CHAINSA W WITH THE ENGINE STOPPED AND THE BRAKE ENGAGED, the guide bar and saw chain to the rear , and the silencer a w a y from your body . When transpor ting the chainsaw , use the appro[...]

UK - Page 5 W ARNING: The warnings, labels and instructions found in this section of the operator’s manual are for your safety. Failure to follow all instructions may result in serious personal injury. GENERAL PRECAUTIONS      DO NOT CUT VINES and/or small underbrush (less than 76 mm (3 in.) in diameter).      SILENC[...]

UK - Page 6 PUSH AND PULL The reaction force is always opposite to the direction the chain is moving. Thus, the operator must be ready to control the PUL L when cutting on the bottom edge of the bar and the PUSH when cutting along the top edge. MAINTENANCE PRECAUTIONS Never operate a chainsaw that is damaged, improperly adjusted, or is not complete[...]

UK - Page 7 SYMBOLS Important: Some of the following symbols may be used on your tool. Please study them and learn their meaning. Proper interpretation of these symbols will allow you to operate the tool better and more safely. SYMBOL NAME EXPLANATION Indicates danger, warning or caution. It means attention!!! Your safety is involved. Your manual c[...]

UK - Page 8 Weight - No bar, chain, fuel or oil ............................................................................................ .................. 4.4 kg (9.7 lbs.) Fuel tank capacity ............................................................................................................. ..................... 575 cm 3 (19.4 oz.) O[...]

UK - Page 9 Fig. 2 FRONT HAND GUARD/CHAIN BRAKE FRONT HANDLE CYLINDER COVER THROTTLE LOCK BUTTON TRIGGER RELEASE REAR HANDLE THROTTLE TRIGGER ON/OFF SWITCH FUEL MIX CAP CHAIN OIL CAP STARTER/FAN HOUSING STARTER GRIP SAFE-T-TIP PRIMER BULB CHOKE LEVER FEA TURES SILENCER CARBURETTOR ADJUSTMENT CHAIN CATCHER[...]

UK - Page 10 OPERA TION W ARNING: The warnings and instructions in this section of the operator’s manual are for your safety and to prevent serious personal injury. UNDERSTANDING YOUR CHAINSAW SAFETY DEVICES SAFE-T-TIP ANTI-KICK-BACK NOSE GUARD See Figure 4. The SAFE-T -TIP pre v ents kick-bac k because it cov ers the tip of the bar where rotatio[...]

UK - Page 11 RUN POSITION BRAKE POSITION Fig. 5 CHAIN BRAKE Chain brakes are designed to quickly stop the chain from rotating. When the chain brake lever/hand guard is pushed towards the bar, the chain should stop immediately. A chain brake does not prevent kick-back. The chain brake should be cleaned and tested daily. Refer to “Operation” late[...]

UK - Page 12 W ARNING: Always turn off engine before refuelling. Never add fuel to a machine with a running or hot engine. Move at least 9 m (30 ft.) from refuelling site before starting the engine. DO NOT SMOKE! Failure to heed this warning can result in possible personal injury. FUEL AND REFUELLING HANDLING THE FUEL SAFELY } 50:1 FILLING THE TANK[...]

UK - Page 13 CHAIN OIL SYSTEM See Figure 9. Use HOMELITE Bar and Chain Oil. It is designed for chains and chain oilers, and is formulated to perform over a wide temperature range with no dilution required. Chainsaw should use approximately one tank of oil per tank of fuel. NOTE: Do not use dirty, used or otherwise contaminated oils. Damage may occu[...]

UK - Page 14 Fig. 14 FULL CHOKE CHOKE LEVER HALF CHOKE RUN POSITION Fig. 15 THROTTLE TRIGGER THROTTLE LOCK BUTTON TRIGGER RELEASE Fig. 16 Fig. 17 THROTTLE TRIGGER TRIGGER RELEASE Fig. 18 RUN POSITION STARTER GRIP STARTING A COLD ENGINE: 3. Move the chain brake to the BRAKE position. NOTE: Set the chain brake by pushing the chain brake lever/hand gu[...]

UK - Page 15 8. Pull ST AR TER until engine attempts to star t. Slowly pull the starter gr ip out f or a short distance until you f eel the starter engage, then briskly pull str aight up . Do not pull to the end of the rope; this may damage the star t er . Hold onto the grip dur ing re winding. Pull the star ter rope until the first firing of the e[...]

UK - Page 16 PREPARING FOR CUTTING PROPER GRIP ON HANDLES See Figures 20 and 21. Refer to “Specific Safety Rules – Safety Apparel” earlier in this manual for appropriate safety equipment.      Wear non-slip gloves for maximum grip and protection.      Hold the saw firmly with both hands. Always keep your LEFT HAN[...]

UK - Page 17 BASIC OPERATING/CUTTING PROCEDURES Practise cutting a few small logs, using the following technique to get the “feel” of using the saw before you begin a major sawing operation. 1. T ake the proper stance in front of the wood with the saw idling. 2. Accelerate the engine to full throttle just before entering the cut by squeezing th[...]

UK - Page 18 W ARNING: Weather conditions and altitude may affect carburation. Do not allow bystanders close to the chainsaw while adjusting the carburettor. ADJUSTING IDLING SPEED      If the engine starts, runs, and accelerates but will not idle, turn the idling speed screw “ T ” clockwise to increase idling speed.    [...]

UK - Page 19 FELLING TREES HAZARDOUS CONDITIONS See Figure 29. OPERA TION W ARNING: Do NOT fell trees near power lines or near buildings which could be struck by falling limbs or the tree itself. STAY AWAY FROM ELECTRICAL LINES AND BUILDINGS Fig. 29 KEEP BYSTANDERS AWAY CONSIDER THE DIRECTION IN WHICH THE TREE LEANS CLEAR UNDERBRUSH WEAR EYE, HEAD [...]

UK - Page 20 PROPER PROCEDURE FOR TREE FELLING See Figure 30. 1. Pick your escape route (or routes in case the intended route is blocked). Clear the immediate area round the tree and make sure there are no obstructions in your planned path of retreat. Clear the path of safe retreat approximately 135° from the planned line of fall. 2. Consider the [...]

UK - Page 21 3. Cut a notch about one-third the diameter of the trunk in the side of the tree. Make the notch cuts so they intersect at right angles to the line of fall. This notch should be cleaned out to leave a straight line. To keep the weight of the wood off the saw, always make the lower cut of the notch before the upper cut. See Figure 31. 4[...]

UK - Page 22 REMOVING BUTTRESS ROOTS A buttress root is a large root extending from the trunk of the tree above the ground. Remove large buttress roots before felling. Make the horizontal cut into the buttress first, f ollow ed by the v er tical cut. Remove the resulting loose section from the work area. Follow the correct tree felling procedure af[...]

UK - Page 23 BUCKING LOGS UNDER STRESS Make the first bucking cut one-third of the way through the log and finish with a two-thirds cut on the opposite side. As you cut the log, it will tend to bend. The sa w can become pinched or hung in the log if you make the first cut deeper than one-third of the diameter of the log. Give special attention to l[...]

UK - Page 24 LIMBING AND PRUNING See Figure 39.  Work slowly, keeping both hands on the saw with a firm grip. Maintain secure footing and balance.  Keep the tree between you and the chain while limbing. Cut from the side of the tree opposite the branch you are cutting.  Do not cut from a ladder: this is extremely dangerous. Leave this oper[...]

UK - Page 25 ASSEMBLING THE BAR AND CHAIN DANGER: Never start the engine before installing the guide bar, chain, drive case cover, and clutch drum. Without all these parts in place, the clutch may fly off or explode, exposing the user to possible serious injury. W ARNING: To avoid serious personal injury, read and understand all the safety instruct[...]

UK - Page 26 6. Lay out the saw chain in a loop and straighten any kinks. The cutters should face in the direction of chain rotation. If the y f ace back wards, turn the loop ov er . See Figure 45 . 7. Place the chain drive links into the bar groove. See Figure 46. 8. Position the chain so there is a loop at the back of the bar. 9. Hold the chain i[...]

UK - Page 27 11. Replace the outer guide bar plate, ensuring that the bar pin groove is at the bottom with the upper and lower edges angled away from the guide bar. 12. Replace the clutch cover and bar mounting nuts. 13. Tighten the bar mounting nuts finger tight only. The bar must be free to move for tension adjustment. 14. Remove all slack from t[...]

UK - Page 28 ADJUSTING THE CHAIN TENSION See Figures 52, 53 and 54. W ARNING: Never touch or adjust the chain while the motor is running. The saw chain is very sharp. Always wear protective gloves when performing maintenance on the chain. 1. Stop the engine before setting the chain tension. 2. Make sure the guide bar nuts are loosened to finger-tig[...]

UK - Page 29 Fig. 55 Fig. 56 RAKER CLEARANCE INSPECT DRIVE SPROCKET CUTTING CORNER SIDE PLATE DEPTH GAUGE TOE GULLET HEEL RIVET HOLE TOP PLATE SHARPENING THE CUTTERS See Figures 57 to 62. Be careful to file all cutters to the specified angles and to the same length, as fast cutting can only be obtained when all cutters are uniform. 1. Wear gloves f[...]

UK - Page 30 Fig. 60 Fig. 61 Fig. 59 CHECK FOR WEAR OR DAMAGE LEFT-HAND CUTTERS RIGHT-HAND CUTTERS Fig. 62 CAUTION: A dull or improperly sharpened chain can cause excessive engine speed during cutting which may result in severe engine damage. W ARNING: Improper chain sharpening increases the potential of kick-back. W ARNING: Failure to replace or r[...]

UK - Page 31 TOP PLATE FILING ANGLE  CORRECT 30° – file holders are marked with guide marks to align file properly to produce correct top plate angle.  LESS THAN 30° – for cross cutting.  MORE THAN 30° – feathered edge dulls quickly. SIDE PLATE ANGLE  CORRECT 80 o – Produced automatically if you use the correct diameter file [...]

UK - Page 32 RESTORE ORIGINAL SHAPE BY ROUNDING THE FRONT Fig. 68 LUBRICATING HOLE Fig. 67 MAINTAINING THE GUIDE BAR See Figure 68. MAINTAINING THE SAFE-T-TIP NOSE GUARD See Figures 69 and 70. MOUNTING SCREW SAFE-T-TIP Fig. 69 MAINTENANCE Every week of use, reverse the guide bar on the saw to distribute the wear for maximum bar life. The bar should[...]

UK - Page 33 MOUNTING THE SAFE-T-TIP® NOSE GUARD See Figures 69 and 70. 1. Mount the SAFE-T-TIP on the bar nose. 2. Fit the locking rivet or tab in the recessed hole in the guide bar. 3. Tighten the screw with your finger. 4. From the finger tight position, tighten the screw an additional three-quarters of a turn using a spanner. CLEANING THE AIR [...]

UK - Page 34 CLEANING THE ENGINE Clean the cylinder fins and flywheel fins with compressed air or a brush periodically. Dangerous overheating of the engine may occur due to impurities on the cylinder. W ARNING Never run the saw without all the parts, including the drive case cover and starter housing, securely in place. Because parts can fracture a[...]

UK - Page 35 CLEANING THE SPARK ARRESTING SI- LENCER The silencer is equipped with a spark arrester screen. A faulty spark arrester screen can create a fire hazard. Through normal use the screen becomes dir ty and should be inspected weekly and cleaned as required. Always keep the silencer and spark arrester on your saw in good condition. W ARNING [...]

UK - Page 36 Length of Bar Guide Bar Part Number Chain Part Number 305 mm (12 in.) UP08695 UP08692 356 mm (14 in.) UP08696 UP08693 406 mm (16 in.) UP08698 UP08694 PROBLEM POSSIBLE CAUSE SOLUTION Engine will not start. (Make sure ignition switch is in start position “I”.) Engine starts but will not accelerate properly. Engine starts but will not[...]

UK - Page 37 PROBLEM POSSIBLE CAUSE SOLUTION Engine starts, runs, and accelerates but will not idle. Bar and chain running hot and smoking. Engine starts and runs, but chain is not rotating. Carburettor requires adjustment. 1. Chain oil tank empty. 2. Check chain tension for overtight condition. 3. Check for oiler function. 1. Chain brake engaged. [...]

UK - Page 38 W ARRANTY EC DECLARATION OF CONFORMITY According to machinery directive 98/37/EC and EMC directive 89/336/EEC - We, Homelite Consumer Products Inc., 1428 Pearman Dair y Road, Anderson, SC 29625, USA Declare in sole responsibility that the product: CSP3314 (UT74121A) - to which this certificate applies, conforms to the basic health and [...]

UK - Page 39 NOTES[...]

983000-209 2-03 Ryobi T echnologies GmbH Itterpark 7 D-40724 Hilden Germany T el.: +49 (0)2103 / 29 58 0 F ax : +49 (0)2103 / 29 58 29 inf o@r yobi-r tg.de Ryobi T echnologies Customer Services Anvil House T uns Lane Henley-on-Thames RG9 1SA UK Homelite / R.T .S.A BP 50012 - 95945 Roissy CDG Cedex – FRANCE Ryobi T echnologies Australia PTY Limite[...]